CN110868721B - Indoor signal balanced distribution system and method - Google Patents
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- CN110868721B CN110868721B CN201910978283.XA CN201910978283A CN110868721B CN 110868721 B CN110868721 B CN 110868721B CN 201910978283 A CN201910978283 A CN 201910978283A CN 110868721 B CN110868721 B CN 110868721B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0426—Power distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
Abstract
The invention discloses an indoor signal equalization distribution system, which comprises an indoor miniature base station and a plurality of radio frequency power equalizers connected in series through radio frequency transmission lines, wherein a signal output port of the indoor miniature base station is connected with a signal input port of the radio frequency power equalizer positioned at the head end through the radio frequency transmission line, a branch signal output port of each radio frequency power equalizer is respectively connected with a radiation antenna, and each radio frequency power equalizer, the radio frequency transmission line connected with the signal input port of the radio frequency power equalizer and the radiation antenna connected to the radio frequency power equalizer are a signal radiation node. The invention can make the 5G signal fully cover indoors, and the coverage range, amplitude and phase of the signal keep highly consistent, and the receiving effect of the mobile terminal is good.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a system and a method for balanced distribution of indoor signals.
Background
5G communication is rapidly started, the coverage of 5G signals indoors is particularly important, the 5G signals cannot be completely covered indoors in the existing communication technology, the coverage range, the amplitude and the phase of the signals cannot be kept consistent, and therefore the mobile terminal can only receive radio frequency signals with uneven amplitude under the condition that the signals are covered in the same area in the moving process, and the receiving effect is poor.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an indoor signal balanced distribution system and method, which can enable 5G signals to be covered indoors in a comprehensive mode, the coverage range, the amplitude and the phase of the signals are kept highly consistent, and the receiving effect of a mobile terminal is good.
In order to achieve the purpose, the invention adopts the technical scheme that:
an indoor signal balanced distribution system comprises an indoor micro base station (a small base station or a macro base station) and a plurality of radio frequency power equalizers connected in series through radio frequency transmission lines, wherein the radio frequency power equalizers are located on the same side of the indoor micro base station, a signal output port of the indoor micro base station (the small base station or the macro base station) is connected with a signal input port of the radio frequency power equalizer located at the head end through the radio frequency transmission lines, a branch signal output port of each radio frequency power equalizer is connected with a radiation antenna, and each radio frequency power equalizer, the radio frequency transmission line connected with the signal input port of the radio frequency power equalizer and the radiation antenna connected to the radio frequency power equalizer are a signal radiation node.
An indoor micro base station (small base station or macro base station) generates radio frequency signals and sequentially transmits the radio frequency signals to each signal radiation node through a radio frequency transmission line, a plurality of signal radiation nodes are uniformly distributed indoors and sequentially connected in series, when the indoor micro base station sequentially transmits the radio frequency signals to each signal radiation node, a radio frequency power equalizer in each signal radiation node proportionally distributes rated power of a radiation antenna in the signal radiation node, the power of the radio frequency signals distributed on all the radiation antennas is consistent, the radiation intensity of the signals sent to the indoor by the radiation antennas is uniform, the field intensity coverage of the signals in the indoor space has high uniformity, and the receiving effect of a mobile terminal is better.
Each radio frequency power equalizer is provided with a plurality of radiation antenna interfaces, and the plurality of radiation antenna interfaces can be respectively used for connecting radiation antennas of different operators (or enterprises of the internet of things) to meet the radio frequency signal coverage of the different operators. The invention can realize the independent covering radiation of the radiation signals of different operators by arranging the radiation antenna interfaces which are suitable for different operators on the radio frequency power equalizer and connecting the radiation antennas of different operators, can also realize the simultaneous covering radiation of the radiation signals of different operators (namely the radiation signals of different frequency bands), and can realize the independent or simultaneous covering radiation of the radiation signals of different modes by connecting the radiation antennas of different modes (2G, 3G, 4G and 5G), thereby improving the applicability of the system.
Preferably, the radio frequency power equalizer includes a power divider, a branch output coupler, a power matcher, and a radio frequency power amplifier (including a pass-through, i.e., a pass-through when power is not amplified), a signal input end of the power divider is connected to the radio frequency transmission line in the signal radiation node, a signal output end of the power divider is connected to a signal input end of the branch output coupler, a signal output end of the branch output coupler is connected to a signal input end of the power matcher, a signal output end of the power matcher is connected to a signal input end of the radio frequency power amplifier (including a pass-through), and the radio frequency power amplifier is connected to the radiation antenna in the signal radiation node.
The power divider divides the power of the radio frequency signal in proportion, wherein the divided rated power is coupled by the branch output coupler and is equalized by the power matcher, then the power is amplified by a radio frequency power amplifier (including a direct connection), and output to corresponding radiation antenna, the radiation antenna sends radiation signal to indoor, the radio frequency signal output port of the power distributor transmits the radio frequency signal distributed with rated power to the radio frequency power equalizer in the next signal radiation node, the radio frequency power equalizer in different signal radiation nodes has different power proportion distributed to corresponding radiation antenna, because the length of the radio frequency transmission line is preset, the loss of the radio frequency signal during the transmission of the radio frequency transmission line is known, therefore, the ratio of the power allocated to the radiating antenna in each signal radiating node by the rf power equalizer in the signal radiating node is: the distributed power/(power-power loss + amplified power transmitted from the previous node) of the predetermined radiation antenna can make the power of the radio frequency signals distributed by all the radiation antennas consistent, so that the phase and amplitude of the directional diagram of each path of antenna in the large-scale antenna array are kept consistent, and the uniformity of field intensity coverage is achieved.
Preferably, the number of the radio frequency transmission lines connecting the radio frequency power equalizers in two adjacent signal radiation nodes is multiple, the number of the power dividers, the branch output couplers, the power matchers and the radio frequency power amplifiers (including pass-through) of the radio frequency power equalizer in each signal radiation node is the same as the number of the radio frequency transmission lines in the signal radiation node, and the number of the radiation antennas in each signal radiation node is multiple.
The plurality of radio frequency transmission lines are adopted for transmitting radio frequency signals, and the radiation antennas are used for transmitting radiation signals, so that multi-path radiation signals can be formed indoors, the radiation intensity of indoor signals is uniform, and the receiving effect of the mobile terminal is better.
Preferably, the lengths of the radio frequency transmission lines connecting the radio frequency power equalizers in two adjacent signal radiation nodes are the same, and the lengths of the radio frequency transmission lines in the same signal radiation node are the same and parallel to each other.
The lengths of all the radio frequency transmission lines are kept to be consistent, so that the radio frequency signals transmitted by the radio frequency transmission lines can be kept to be consistent in amplitude and phase, the power of the radio frequency signals distributed to each radiation antenna is further guaranteed to be consistent, and the amplitude and the strength of the signals radiated by the radiation antennas indoors are uniform and consistent.
The invention also provides an indoor signal equalization distribution method applying the system, and the technical scheme is as follows:
an equalizing distribution method of indoor signals comprises the following steps:
s1, the indoor micro base station generates a radio frequency signal and transmits the radio frequency signal to a radio frequency power equalizer in a first signal radiation node through a radio frequency transmission line;
s2, a radio frequency power equalizer in the first signal radiation node performs equalization processing on the radio frequency signal, and distributes rated power to a radiation antenna in the signal radiation node according to proportion, and the radiation antenna sends radiation signals;
and S3, sequentially transmitting the radio-frequency signals with partial power distributed to the radio-frequency power equalizers in the rest signal radiation nodes through the radio-frequency transmission lines by the radio-frequency power equalizers in the first signal radiation node, equalizing the radio-frequency signals by the radio-frequency power equalizers in the rest signal radiation nodes, distributing rated power to the radiation antennas in the corresponding signal radiation nodes according to the proportion, and sending the radiation signals by the radiation antennas.
Preferably, step S2 specifically includes the following steps:
s21, the power divider proportionally couples the rated power distributed by the radio frequency signal to the branch output coupler;
s22, the branch output coupler transmits the coupled emergent frequency signal to a power matcher;
s23, balancing the power of the radio frequency signal by a power matcher;
s24, the radio frequency power amplifier amplifies the power of the radio frequency signal and outputs the radio frequency signal with balanced power to a radiation antenna in the signal radiation node;
and S25, the radiation antenna sends radiation signals.
The invention has the beneficial effects that:
1. an indoor micro base station (small base station or macro base station) generates radio frequency signals and sequentially transmits the radio frequency signals to each signal radiation node through a radio frequency transmission line, a plurality of signal radiation nodes are uniformly distributed indoors and sequentially connected in series, when the indoor micro base station sequentially transmits the radio frequency signals to each signal radiation node, a radio frequency power equalizer in each signal radiation node proportionally distributes rated power of a radiation antenna in the signal radiation node, the power of the radio frequency signals distributed on all the radiation antennas is consistent, the radiation intensity of the signals sent to the indoor by the radiation antennas is uniform, the field intensity coverage of the signals in the indoor space has high uniformity, and the receiving effect of the mobile terminal is better.
2. The power divider divides the power of the radio frequency signal according to a proportion, wherein the divided rated power is amplified by the branch output coupler and is equalized by the power matcher, the radio frequency power amplifier (including direct connection) outputs the radio frequency signals to corresponding radiation antennas, the radiation antennas send radiation signals to the indoor, the radio frequency signal output port of the power divider transmits the radio frequency signals distributed with rated power to the radio frequency power equalizer in the next signal radiation node, the radio frequency power equalizers in different signal radiation nodes have different power proportions distributed to the corresponding radiation antennas, because the length of the radio frequency transmission line is preset, the loss of the radio frequency signal during the transmission of the radio frequency transmission line is known, therefore, the ratio of the power allocated to the radiating antenna in each signal radiating node by the rf power equalizer in the signal radiating node is: the distributed power/(power-power loss + amplified power transmitted from the previous node) of the predetermined radiation antenna can make the power of the radio frequency signals distributed by all the radiation antennas consistent, so that the phase and amplitude of the directional diagram of each path of antenna in the large-scale antenna array are kept consistent, and the uniformity of field intensity coverage is achieved.
3. The plurality of radio frequency transmission lines are adopted for transmitting radio frequency signals, and the radiation antennas are used for transmitting radiation signals, so that multi-path radiation signals can be formed indoors, the radiation intensity of indoor signals is uniform, and the receiving effect of the mobile terminal is better.
4. The lengths of all the radio frequency transmission lines are kept to be consistent, so that the radio frequency signals transmitted by the radio frequency transmission lines can be kept to be consistent in amplitude and phase, the power of the radio frequency signals distributed to each radiation antenna is further guaranteed to be consistent, and the amplitude and the strength of the signals radiated by the radiation antennas indoors are uniform and consistent.
Drawings
Fig. 1 is a first schematic structural diagram of an indoor signal equalization distribution system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an indoor signal equalization distribution system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a radio frequency power equalizer for performing power allocation according to an embodiment of the present invention.
Description of reference numerals:
1. a radiating antenna; 2. an indoor micro base station; 3. a radio frequency transmission line; 4. a radio frequency power equalizer; 41. a power divider; 42. a branch output coupler; 43. a power matcher; 44. a radio frequency power amplifier.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
as shown in fig. 1 and fig. 2, an indoor signal equalization distribution system includes an indoor micro base station 2 (small base station or macro base station) and a plurality of radio frequency power equalizers 4 connected in series through a radio frequency transmission line 3, the plurality of radio frequency power equalizers 4 are all located on the same side of the indoor micro base station 2, the signal output port of the indoor micro base station 2 is connected with the signal input port of the radio frequency power equalizer 4 at the head end through a radio frequency transmission line 3, the branch signal output port of each radio frequency power equalizer 4 is respectively connected with three radiation antennas 1, the number of the radiation antennas 1 is three, the three radiation antennas respectively correspond to the use of three operators of China telecom, China Union and China Mobile, and each radio frequency power equalizer 4, the radio frequency transmission line 3 connected with the signal input port of the radio frequency power equalizer 4 and the radiation antenna 1 connected to the radio frequency power equalizer 4 are a signal radiation node.
Indoor miniature base station 2 (little basic station or 5G macro base station) generates 5G radio frequency signal, and transmit each signal radiation node in proper order through radio frequency transmission line 3, a plurality of signal radiation nodes equipartition are indoor and establish ties in proper order, when indoor miniature base station 2 transmits 5G radio frequency signal in proper order to each signal radiation node, radio frequency power equalizer 4 among the signal radiation node distributes the rated power of 1 of radiation antenna among this signal radiation node according to the proportion, make the power of the 5G radio frequency signal of distributing on all radiation antenna 1 unanimous, the radiation intensity of the 5G signal that radiation antenna 1 sent indoor is even unanimous, make the field intensity coverage of 5G signal indoor have high homogeneity, mobile terminal's receiving effect is better.
Each radio frequency power equalizer 4 is provided with a plurality of radiation antenna interfaces, and the plurality of radiation antenna interfaces can be respectively used for connecting radiation antennas of different operators (China telecom, China Mobile, China Unicom, China radio and television, or China iron tower, etc.) so as to meet the 5G radio frequency signal coverage of different operators. According to the invention, through arranging the radiation antenna interfaces suitable for different operators on the radio frequency power equalizer 4, the radiation antennas 1 of different operators are connected, so that the independent covering radiation of the radiation signals of different operators can be realized, the radiation antennas 1 of different operators can also be connected simultaneously, so that the simultaneous covering radiation of the radiation signals (namely the radiation signals of different frequency bands) of different operators can be realized, in addition, through connecting the radiation antennas 1 of different modes (2G, 3G, 4G and 5G), the independent or simultaneous covering radiation of the 5G radiation signals of different modes can also be realized, and the applicability of the system is improved.
In one embodiment, as shown in fig. 3, the rf power equalizer 4 includes a power divider 41, a branch output coupler 42, a power matcher 43, and an rf power amplifier 44 (including a feedthrough), a signal input terminal of the power divider 41 is connected to the rf transmission line 3 in the signal radiation node, a signal output terminal of the power divider 41 is connected to a signal input terminal of the branch output coupler 42, a signal output terminal of the branch output coupler 42 is connected to a signal input terminal of the power matcher 43, a signal output terminal of the power matcher 43 is connected to a signal input terminal of the rf power amplifier 44 (including a feedthrough), and the rf power amplifier 44 is connected to the radiation antenna 1 in the signal radiation node.
The power divider 41 divides the power of the rf signal in proportion, wherein the divided rated power is coupled by the branch output coupler 42, and after being equalized by the power matcher 43, the radio frequency power amplifier 44 (including a direct connection) outputs the radio frequency signals to the corresponding radiation antenna 1, the radiation antenna 1 sends 5G radiation signals to the indoor, the radio frequency signal output port of the power divider 41 transmits the radio frequency signals distributed with rated power to the radio frequency power equalizer 4 in the next signal radiation node, the radio frequency power equalizer 4 in different signal radiation nodes has different power proportions distributed to the corresponding radiation antenna 1, since the length of the rf transmission line 3 is predetermined, the loss of the rf signal during transmission through the rf transmission line 3 is known, therefore, the ratio of the power allocated to the radiation antenna 1 in each signal radiation node by the radio frequency power equalizer 4 in the signal radiation node is: the distributed power/(power transmitted from the previous node-power loss + amplified power) of the predetermined radiation antenna 1 can make the power of the radio frequency signals distributed by all the radiation antennas 1 consistent, so that the phase and amplitude of each path of antenna directional diagram in the large-scale antenna array are kept consistent, and the uniformity of field intensity coverage is achieved.
In one embodiment, there are a plurality of rf transmission lines 3 connecting the rf power equalizers 4 in two adjacent signal radiation nodes, the number of the power dividers 41, branch output couplers 42, power matchers 43 and rf power amplifiers 44 (including pass-through) of the rf power equalizers 4 in each signal radiation node is the same as the number of the rf transmission lines 3 in the signal radiation node, and there are a plurality of radiation antennas 1 in each signal radiation node.
Adopt many radio frequency transmission lines 3 to carry out radio frequency signal transmission to send radiation signal through a plurality of radiation antenna 1, can form multichannel 5G radiation signal indoor, make the radiation intensity of indoor 5G signal even unanimous, mobile terminal's receiving effect is better.
The specific number of radio frequency transmission lines 3 and radiating antennas 1 may be chosen as: a 1T 1R mode, that is, 1 radio frequency transmission line 3 corresponds to 1 group of radiation antennas (each group of radiation antennas at least includes radiation antennas 1 of three operators of china telecom, china unicom and china mobile, but is not limited to the three operators, and can also be connected with radiation antennas 1 of other operators such as china radio and television or chinese iron tower); 2T2R mode, that is, 2 rf transmission lines 3 correspond to 2 sets of radiating antennas; 4T4R mode, that is, 4 rf transmission lines 3 correspond to 4 sets of radiating antennas; or 8T8R mode, i.e. 8 rf transmission lines 3 correspond to 8 sets of radiating antennas.
In one embodiment, the lengths of the radio frequency transmission lines 3 connecting the radio frequency power equalizers 4 in two adjacent signal radiation nodes are the same, and the lengths of the radio frequency transmission lines 3 in the same signal radiation node are the same and parallel to each other.
The lengths of all the radio frequency transmission lines 3 are kept consistent, so that the radio frequency signals transmitted by the radio frequency transmission lines 3 are kept consistent in amplitude and phase, the power of the 5G radio frequency signals distributed to each radiation antenna 1 is further guaranteed to be consistent, and the amplitude and the strength of the 5G radio frequency signals radiated by the radiation antennas 1 indoors are uniform and consistent.
An equalizing distribution method of indoor signals comprises the following steps:
s1, generating a 5G radio frequency signal by an indoor micro base station (a small base station or a macro base station) and transmitting the radio frequency signal to a radio frequency power equalizer in a first signal radiation node through a radio frequency transmission line;
s2, equalizing the 5G radio frequency signal by a radio frequency power equalizer in the first signal radiation node, proportionally distributing rated power to a radiation antenna in the signal radiation node, and sending the 5G radiation signal by the radiation antenna;
and S3, sequentially transmitting the 5G radio frequency signals with partial power distributed to the radio frequency power equalizers in the rest signal radiation nodes through the radio frequency transmission lines by the radio frequency power equalizers in the first signal radiation node, equalizing the radio frequency signals by the radio frequency power equalizers in the rest signal radiation nodes, distributing rated power to the radiation antennas in the corresponding signal radiation nodes according to the proportion, and sending the 5G radiation signals by the radiation antennas.
In one embodiment, step S2 specifically includes the following steps:
s21, the power divider proportionally couples the rated power distributed by the radio frequency signal to the branch output coupler;
s22, the branch output coupler transmits the coupled emergent frequency signal to a power matcher;
s23, balancing the power of the radio frequency signal by a power matcher;
s24, the radio frequency power amplifier amplifies the power of the radio frequency signal and outputs the radio frequency signal with balanced power to a radiation antenna in the signal radiation node;
and S25, the radiation antenna sends radiation signals.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (2)
1. A method for equalized distribution of an indoor signal, comprising the steps of:
s1, the indoor micro base station generates a radio frequency signal and transmits the radio frequency signal to a radio frequency power equalizer in a first signal radiation node through a radio frequency transmission line;
s2, a radio frequency power equalizer in the first signal radiation node performs equalization processing on the radio frequency signal, and distributes rated power to a radiation antenna in the signal radiation node according to proportion, and the radiation antenna sends radiation signals;
s3, sequentially transmitting the radio frequency signal to each radio frequency power equalizer in the remaining signal radiation node through a radio frequency transmission line after the radio frequency power equalizer in the first signal radiation node distributes part of the power to the radio frequency power equalizers in the remaining signal radiation node, respectively equalizing the radio frequency signal, and proportionally distributing the rated power to the radiation antennas in the corresponding signal radiation node, where the radiation antennas transmit the radiation signal, the radio frequency power equalizers in different signal radiation nodes distribute the radio frequency signal to the corresponding radiation antennas according to different power proportions, and the specific power proportions are: the allocated power/(power transmitted from the previous node-power loss + amplified power) of the predetermined radiation antenna;
the radio frequency power equalizer comprises a power divider, a branch output coupler, a power matcher and a radio frequency power amplifier, wherein the signal input end of the power divider is connected with a radio frequency transmission line in the signal radiation node, the signal output end of the power divider is connected with the signal input end of the branch output coupler, the signal output end of the branch output coupler is connected with the signal input end of the power matcher, the signal output end of the power matcher is connected with the signal input end of the radio frequency power amplifier, and the radio frequency power amplifier is connected with a radiation antenna in the signal radiation node.
2. The method for equalized distribution of indoor signals according to claim 1, wherein the step S2 specifically includes the following steps:
s21, the power divider proportionally couples the rated power distributed by the radio frequency signal to the branch output coupler;
s22, the branch output coupler transmits the coupled emergent frequency signal to a power matcher;
s23, balancing the power of the radio frequency signal by a power matcher;
s24, the radio frequency power amplifier amplifies the power of the radio frequency signal and outputs the radio frequency signal with balanced power to a radiation antenna in the signal radiation node;
and S25, the radiation antenna sends radiation signals.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5602834A (en) * | 1990-12-07 | 1997-02-11 | Qualcomm Incorporated | Linear coverage area antenna system for a CDMA communication system |
| CN2591903Y (en) * | 2002-11-22 | 2003-12-10 | 深圳市联波通信技术有限公司 | Mobile communication multinet junction indoor covering system |
| CN1764142A (en) * | 2005-11-08 | 2006-04-26 | 昂科信息技术(上海)有限公司 | WLAN multi-frequency combined signal distributing system |
| CN202077187U (en) * | 2011-03-14 | 2011-12-14 | 京信通信技术(广州)有限公司 | Indoor coverage system based on femtocell architecture |
| CN203340293U (en) * | 2013-06-18 | 2013-12-11 | 京信通信系统（广州）有限公司 | Low-power multi-antenna tunnel distribution coverage system |
| CN104883142A (en) * | 2014-02-27 | 2015-09-02 | 宏达国际电子股份有限公司 | Wireless Communication Device, Method And Power Amplifier Of The Same |
| CN206332853U (en) * | 2016-09-14 | 2017-07-14 | 天津京信通信系统有限公司 | Mobile communication distributed coverage system |
-
2019
- 2019-10-15 CN CN201910978283.XA patent/CN110868721B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5602834A (en) * | 1990-12-07 | 1997-02-11 | Qualcomm Incorporated | Linear coverage area antenna system for a CDMA communication system |
| CN2591903Y (en) * | 2002-11-22 | 2003-12-10 | 深圳市联波通信技术有限公司 | Mobile communication multinet junction indoor covering system |
| CN1764142A (en) * | 2005-11-08 | 2006-04-26 | 昂科信息技术(上海)有限公司 | WLAN multi-frequency combined signal distributing system |
| CN202077187U (en) * | 2011-03-14 | 2011-12-14 | 京信通信技术(广州)有限公司 | Indoor coverage system based on femtocell architecture |
| CN203340293U (en) * | 2013-06-18 | 2013-12-11 | 京信通信系统（广州）有限公司 | Low-power multi-antenna tunnel distribution coverage system |
| CN104883142A (en) * | 2014-02-27 | 2015-09-02 | 宏达国际电子股份有限公司 | Wireless Communication Device, Method And Power Amplifier Of The Same |
| CN206332853U (en) * | 2016-09-14 | 2017-07-14 | 天津京信通信系统有限公司 | Mobile communication distributed coverage system |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Weiyan Inventor after: Liu Jinrui Inventor after: Feng Yu Inventor before: Liu Weiyan Inventor before: Liu Leiying Inventor before: Feng Yu |